Cita APA

Eckersley, C. E. 1., & Eckersley, J. M. (1970). Essential English for foreign students (Revised edition 1970 / by J. M. Eckersley.). London: Longman.

Citación estilo Chicago

Eckersley, C. E. 1892-1967, and John Macaulay Eckersley. Essential English for Foreign Students. Revised edition 1970 / by J. M. Eckersley. London: Longman, 1970.

Cita MLA

Eckersley, C. E. 1892-1967, and John Macaulay Eckersley. Essential English for Foreign Students. Revised edition 1970 / by J. M. Eckersley. London: Longman, 1970.